Re: Re: Ignore Tags

Dear Joerg, thank you very much...
it really helped me out.
greatfuly yours
vsd
On Wed, 27 Feb 2002 Joerg Heinicke wrote :

This is a general grouping problem.

The easiest way is to test (with the preceding-sibling-axis) whether there
was already a child with this id:

<xsl:template match="root">
    <xsl:apply-templates select="child[not(@id =
preceding-sibling::child/@id)]"/>
</xsl:template>

<xsl:template match="child">
    do anything with the happy childs
</xsl:template>

The second way for bigger files (the above way is not so good, because for
every child all preceding childs have to be tested) is using keys (Muenchian
Method, http://www.jenitennison.com/xslt/grouping/muenchian.html)

<xsl:key name="childs" match="child" use="@id"/>

<xsl:template match="root">
<xsl:apply-templates select="child[count( . | key('childs', @id)[1]) =
1]"/>
</xsl:template>

Hope this helps,

Joerg

> hi
>
> I have a problem .. it goes like this
> an xml file of thie folowing format
>
> <root>
> <child id = '1'>happy</child>
> <child id = '2'>happy</child>
> <child id = '3'>happy</child>
> <child id = '1'>sad</child>
> <child id = '2'>sad</child>
> <child id = '3'>sad</child>
> </root>
>
> my problem is that when i go through each of the child elements,
> then i should ignore the duplicates that is once child id = '1' is
> encountered, the second time it should be ignored.. so effectively
> the result should be
> all happy 'childs' .. Is there a way to do that??
> please help me
> vsd


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